Write an article (explanatory text) about Kaiping Diaolou, using explanatory text, not less than 300 words.

Pingdiaolou is located in Kaiping City under the jurisdiction of Jiangmen City, Guangdong Province. It is a special type of vernacular architecture in China. It is a multi-storey tower building integrating defense, residence and Chinese and western architectural arts. It is characterized by the combination of Chinese and western dwellings, with various styles such as ancient Greece, ancient Rome and Islam. According to the available evidence, Kaiping Diaolou was made in the late Ming Dynasty (16th century). As an important historical relic and representative building in modern times, it was approved as the fifth batch by the State Council.

Kaiping Diaolou complex has a large scale, various categories and unique shapes. It is characterized by the combination of Chinese and western dwellings, including ancient Greek, Roman and Islamic styles. Kaiping Diaolou combines the unique architectural art of China traditional rural architectural culture and northwest architectural culture. It's a multi-storey building, taller than ordinary houses, stronger and thicker than ordinary houses, with smaller windows and iron doors and windows around it. There are fully enclosed or semi-enclosed turrets at the four corners of the upper part of the tower.

There are many kinds of watchtowers in Kaiping, which can be divided into four types according to building materials: stone building, rammed earth building, blue brick building and concrete building. Stone buildings are mainly distributed in low mountains and hills, which are also called "stone buildings" locally. Some walls are made of conventionally processed stones, while others are made of freely laid natural stones and filled earth. At present, there are 10 stone buildings in Kaiping. 0.5% of the total number of watchtowers. Rammed earth towers are distributed in hilly areas, mainly in Chishui Town and Longsheng Town. These watchtowers are mostly called "mud towers" or "yellow mud towers" in the local area. Although it has been eroded by decades of wind and rain, it is still strong. There are 0/00 watchtowers/kloc, accounting for 5.5% of the total. Brick owners should be distributed in the third place, modern red bricks. At present, the watchtower made of early indigenous red bricks is rare in Kaiping, and the early part of Ying Long Tower is a very precious relic. Blue brick watchtower includes three masonry methods: internal mud and external blue brick, and internal cement and external blue brick. A few watchtowers are made of modern red bricks with a layer of cement outside. At present, there are nearly 249 brick houses in Kaiping. 13.6% of the total number of watchtowers. Concrete buildings are mainly distributed in plains and hilly areas, also known as "stone concrete buildings" or "stone rice buildings", which were mostly built in the 1920s and 1930s. They were designed and built by overseas Chinese to absorb the different characteristics of buildings around the world, and their shapes can best reflect the architectural characteristics of combining Chinese and western. The whole watchtower is made of cement (generally imported from England, then called "red mud"). Very durable. Because the building materials at that time were imported from abroad, the cost was high. In order to save materials, some floors in the watchtower are made of wooden pavilions. At present, there are 1474 concrete buildings in Kaiping, accounting for 80.4% of Kaiping Diaolou. The watchtowers in Kaiping can be divided into three types according to their functions: multi-storey buildings, residential buildings and multi-floors: multi-storey buildings are built behind the village. Temporary use to avoid bandits or floods, its shape is closed and simple, and its external decoration is less defensive. Among the three types of watchtowers, there are 473 existing watchtowers, accounting for about 26% of Kaiping watchtowers. Residential buildings have also been built behind the village, all built by wealthy families alone. It combines the two functions of the watchtower well, with many tall buildings, open space and complete living facilities. Strong decorative appearance. On the basis of satisfying the defense function, the pursuit of architectural beauty often becomes the symbol of the village. The number of residential buildings is the largest, with existing 1 149 buildings, accounting for about 62% of Kaiping Diaolou. The owner of the building should be built at the entrance of the village or on the hills and embankments outside the village, towering and upright, with a wide field of vision, and equipped with searchlights and alarms to facilitate the early detection of bandits.